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ENGR112 Engineering Orientation II

Instructor: Diana Schab Text: C Programming for Engineering and Computer Science by H.H.Tan Course Web Site: http://www.socc.edu/faculty/dschab/index.html. ENGR112 Engineering Orientation II. Computer Architecture. Central Processing Unit Main Memory

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ENGR112 Engineering Orientation II

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  1. Instructor: Diana Schab Text: C Programming for Engineering and Computer Science by H.H.Tan Course Web Site: http://www.socc.edu/faculty/dschab/index.html ENGR112 Engineering Orientation II

  2. Computer Architecture • Central Processing Unit • Main Memory • Peripheral Devices with Associated Controllers • Mass Storage Devices • Input/Output Devices

  3. Data Storage • Bit • Byte (8 bits) • Word (16 bits) • Double Word (32 bits) • Quad Word (64 bits)

  4. Data Representation • Characters • Numbers • Integer • Floating Point • Addresses • Instructions

  5. Characters • Stored in 1 byte (8 bits) • ASCII Character Format • Standard Character Set (0 – 127) • Extended Character Set (128 -255) • EBCDIC • Unicode

  6. Numbers • Integer • 16 bits (short) • 32 bits (long) • Floating Point • 32 bits (float) • 64 bits (double)

  7. Number Systems • Binary (0-1) • Octal (0-7) • Decimal (0-9) • Hex (0-9, A, B, C, D, E, F)

  8. 255 Decimal Equals • 11111111 Binary • 377 Octal • FF Hex

  9. C Programming Language • Developed in early 1970’s by Dennis Ritchie at Bell Labs (now Lucent Technologies) • Developed to replace assembly language for creating system software

  10. C Programming Language • Highly portable and machine independent • ANSI C approved 1989, ISO C approved 1990 • Influenced by BCPL and B language

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